<!--用户管理页-->
<template>
  <div style="height: 6vh;padding: 10px 20px;background-color: #fff">
    <span style="line-height: 60px;font-size:20px;">用户管理</span>
    <el-button type="primary" @click="beforeAddUser" style="float: right;margin-top: 10px;">新建用户</el-button>
  </div>
  <!--新建用户的弹窗-->
  <el-dialog
      style="width:1000px;padding: 40px;"
      v-model="dialogVisible"
      :before-close="handleClose"
      :title="dialogTitle">
    <!--绑定before-close属性，无论弹窗以何种方式关闭，都会调用此方法验证操作
    绑定title属性，动态赋予弹窗标题-->
    <el-form label-position="top" label-width="80px">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"
                      :disabled="saveUserForm.id!=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level" @change="getLeader">
              <el-option v-for="item in levelArr" :label="item.label" :value="item.value"></el-option>
<!--              <el-option label="员工" value="10"></el-option>
              <el-option label="经理" value="20"></el-option>
              <el-option label="总监" value="30"></el-option>
              <el-option label="总裁" value="40"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions" :label="item.username" :value="item.id"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio label="男" value="1" border style="margin:0"></el-radio>
              <el-radio label="女" value="0" border style="margin:0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="5">
          <el-form-item label="用户状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio label="启用" value="1" border style="margin:0"></el-radio>
              <el-radio label="禁用" value="0" border style="margin:0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>

  <!--用户搜索卡片-->
  <el-card style="margin: 10px;height: 70px;">
    <el-form :inline="true"><!--绑定inline属性并设置为true，意为使得表单元素全部横向排列-->
      <el-form-item label="用户搜索" style="width: 270px;">
        <el-input placeholder="请输入用户名" v-model="searchUserForm.username" @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态">
        <el-select placeholder="请选择用户状态" style="width: 270px;" v-model="searchUserForm.status"
                   @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="searchUserForm">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!--用户列表卡片 用户表格数据-->
  <el-card style="margin: 10px;">
    <el-table :data="userArr">
      <el-table-column type="index" label="序号" width="80" align="center"></el-table-column>
      <el-table-column prop="username" label="用户名" align="center"></el-table-column>
      <el-table-column prop="phone" label="手机号" align="center"></el-table-column>
      <el-table-column prop="createTime" label="加入时间" align="center"></el-table-column>
      <el-table-column prop="status" label="用户状态" align="center">
        <template #default="scope">
          <el-switch v-model="scope.row.status" active-value="1" inactive-value="0"
                     @click="changeStatus(scope.row.id,scope.row.status)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column prop="status" label="操作" align="center">
        <template #default="scope">
          <!--设置按钮的disable绑定权限，如果当前职级为40（总裁），则禁止操作-->
          <el-button link type="primary" :disabled="scope.row.level==='40'" @click="resetPassword(scope.row.id)">
            密码重置
          </el-button>
          <el-button link type="primary" :disabled="scope.row.level==='40'" @click="editUser(scope.row.id)">编辑
          </el-button>
          <el-button link type="danger" :disabled="scope.row.level==='40'" @click="deleteUser(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>

</template>

<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";

// 定义变量，用于控制用户弹窗是否出现
const dialogVisible = ref(false);

// 定义数组用于维护可选直属领导数组中的数据
const leaderOptions = ref([]);

// 定义对象，用于保存用户弹窗表单数据
const saveUserForm = ref({
  username: '',
  phone: '',
  email: '',
  age: '',
  level: '',
  parentId: '',
  gender: '',
  status: ''
})

// 点击“新建员工”时调用的方法
const beforeAddUser = () => {
  dialogTitle.value = '新增员工';
  dialogVisible.value = true;
}

// 定义方法，用于保存用户数据
const saveUser = () => {
  // 获取表单数据
  const formData = saveUserForm.value;
  console.log(formData);
  // qs，queryString（查询字符串，用于将页面数据转换为get请求时url后的query）
  let data = qs.stringify(formData)
  console.log(data);
  // ToDo: 发送请求
  axios.post(BASE_URL + '/v1/user/save', data)
      .then((response) => {
        if (response.data.code == 2000) {
          ElMessage.success('保存成功！');
          dialogVisible.value = false;  // 隐藏弹窗
          saveUserForm.value = {};  // 清空表单数据
          loadUser();  // 新增用户成功后，重新加载用户列表
        } else {
          ElMessage.error(response.data.msg);
        }
      });
}

// 定义方法，用于关闭弹窗
const handleClose = () => {
  if (confirm('确定要关闭弹窗吗？')) {
    dialogVisible.value = false;
    saveUserForm.value = {};
  }
}

// 定义对象用于保存用户的搜索条件
const searchUserForm = ref({username: '', status: ''})
// 定义数组，用于保存表格数据
const userArr = ref([]);
// 定义加载用户列表的方法
const loadUser = () => {
  let data = qs.stringify(searchUserForm.value)
  console.log(data);
  axios.get(BASE_URL + '/v1/user/select?' + data)
      .then((response) => {
        if (response.data.code === 2000) {
          userArr.value = response.data.data;
          console.log(userArr.value);
        } else {
          ElMessage.error(response.data.msg);
        }
      });
}

// 定义数组保存用户职级数据（来自字典）
const levelArr = ref([]);

// 页面一加载完毕立刻调用加载用户列表的方法
onMounted(() => {
  loadUser();
  loadDictOptions(levelArr, 'user_level');
});
// 清空搜索条件并重新加载所有用户的方法
const resetSearch = () => {
  searchUserForm.value = {};
  loadUser();
}

// 定义方法，用于获取用户的上级领导
const getLeader = () => {
  /*
    问题：如果选择了直属领导数据再去切换职级，
    加载出来的可选直属领导里不包括之前选择的那个领导，就会只显示领导id而无名字，
    解决：先清空选中的值和数组的值，再重新加载数据
   */
  saveUserForm.value.parentId = '';
  leaderOptions.value = [];
  findLeader();
}

const findLeader = () => {
  let level = parseInt(saveUserForm.value.level);
  let parent_level = level + 10;
  console.log(parent_level)
  axios.get(BASE_URL + '/v1/user/select?level=' + parent_level)
      .then((response) => {
        if (response.data.code === 2000) {
          leaderOptions.value = response.data.data;
          console.log(leaderOptions.value);
        } else {
          ElMessage.error(response.data.msg);
        }
      });
}

// 定义变量保存弹窗标题
const dialogTitle = ref('新增员工');
// 定义编辑员工的方法
const editUser = (id) => {
  dialogTitle.value = '编辑员工';
  dialogVisible.value = true;
  // 查出当前用户的数据，回显在弹窗表单中
  axios.get(BASE_URL + '/v1/user/select?id=' + id)
      .then((response) => {
        if (response.data.code == 2000) {
          saveUserForm.value = response.data.data[0];
          console.log(saveUserForm.value);
          findLeader();
        } else {
          ElMessage.error(response.data.msg);
        }
      });
}

// 定义重置密码的方法
const resetPassword = (id) => {
  axios.post(BASE_URL + '/v1/user/update/password/' + id)
      .then((response) => {
        if (response.data.code == 2000) {
          ElMessage.success('密码重置成功！');
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

// 定义修改员工状态的方法
const changeStatus = (userId, status) => {
  axios.post(BASE_URL + '/v1/user/update/status/' + userId + '/' + status)
      .then((response) => {
        if (response.data.code == 2000) {
          ElMessage.success('状态修改成功！');
          loadUser();
        } else {
          ElMessage.error(response.data.msg);
        }
      })
}

// 定义删除用户的方法
const deleteUser = (id) => {
  if (confirm('您确定要删除此账号吗？该操作不可逆！')) {
    axios.post(BASE_URL + '/v1/user/delete/' + id)
        .then((response) => {
          if (response.data.code == 2000) {
            ElMessage.success('删除成功！');
            loadUser();
          } else {
            ElMessage.error(response.data.msg);
          }
        })
  }
}
</script>

<style scoped>

</style>